diff --git a/src/analyze.cpp b/src/analyze.cpp
index fc647c82d72d9ce32749464d50436687c4e63363..cffe076c9f4eb3d4b6c21fedc4359abd5c8a6524 100644
--- a/src/analyze.cpp
+++ b/src/analyze.cpp
@@ -1416,7 +1416,7 @@ static void preview_error_value_decl(CodeGen *g, AstNode *node) {
         err->value = existing_entry->value->value;
     } else {
         int error_value_count = g->error_decls.length;
-        assert(error_value_count < (((uint32_t)1) << (uint32_t)g->err_tag_type->data.integral.bit_count));
+        assert((uint32_t)error_value_count < (((uint32_t)1) << (uint32_t)g->err_tag_type->data.integral.bit_count));
         err->value = error_value_count;
         g->error_decls.append(node);
         g->error_table.put(&err->name, err);